Finding the Fourth Proportional to 1,628,131.48, 2,247,934.98 and 1,017,215.08
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Solution
The fourth proportional to 1,628,131.48, 2,247,934.98 and 1,017,215.08 is: 1,404,452.52
Step by Step Solution
- Step 1: Write the proportion equation
1,628,131.48 : 2,247,934.98 = 1,017,215.08 : x - Step 2: Convert to fraction form
1,628,131.48/2,247,934.98 = 1,017,215.08/x - Step 3: Cross multiply
1,628,131.48x = 2,247,934.98 × 1,017,215.08 - Step 4: Simplify right side
1,628,131.48x = 2,286,633,360,515.50 - Step 5: Solve for x
x = 2,286,633,360,515.50/1,628,131.48 - Step 6: Final answer
x = 1,404,452.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.